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Spray Program For Bunch Grapes
W. C. Adlerz
University of Florida IFAS
ARC Leesburg
Aug. 21, 1980
When to spray
Bud break to flowering
(or later for beetle)
Pre-bloom and
2-4 weeks after bloom
Late April through
May, weekly
Insecticide
Malathion or
Methoxychlor or,
Carbaryl (Sevin)
Pest
Flea beetle
Leafhopper
Methoxychlor or Leafhopper
Carbaryl (Sevin)
Malathion Seed1
chalcid
Post harvest
(as above)
Leafhopper
Malathion Aphids
Methoxychlor Leafhoppers 2
or Caterpillars
Carbaryl (Sevin) Fruit beetles
As needed
No recommendation available Rootborer
Malathion 1.5 pints 57% emulsifiable concentrate/100 gal. water
1.5 t/gallon
Days before harvest 3
Carbaryl 2 pounds 50% carbaryl wettable powder/100 i'i. watpr
2 T/gallon
Days before harvest 0
Methoxychlor 2 pounds 50% methoxychlor wettable powder/100 gal. watei
2 T/gallon
Days before harvest 14
When this insect is a problem preventive spraying will nieded.
Grape leaf folder, leaf skeletonizer, hornworms, berry mot-i'
C3
Leesburg ARC Research Report (WG80-4)
10 0
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